Question: when exactly did Mauritius have an inflation rate of 2.8?
Paraphrase: Do you know the year when Mauritius had an inflation rate of 2.8?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q1027 p:P1279 ?s . ?s ps:P1279 ?x filter(contains(?x , '2.8')) . ?s pq:P585 ?value}